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Blurring

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Definitions Edit

Data Edit

Blurring is

a disclosure limitation method which is used to reduce the precision of the disclosed data to minimize the certainty of individual identification. There are many possible ways to implement blurring, such as by converting continuous data elements into categorical data elements (e.g., creating categories that subsume unique cases), aggregating data across small groups of respondents, and reporting rounded values and ranges instead of exact counts to reduce the certainty of identification. Another approach involves replacing an individual's actual reported value with the average group value; it may be performed on more than one variable with different groupings for each variable.[1]

Blurring is "the act of obscuring data so that it cannot be read or reconstructed."[2]

Trademark law Edit

See Dilution.

References Edit

  1. Privacy Technical Assistance Center, Blurring (full-text).
  2. Tax Information Security Guidelines For Federal, State and Local Agencies, at 151.

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